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What else can I help you with?
Is mixing sugar and water a physical change or a chemical?
Physical change.
Does physical change occur when epsom salt is dissolved?
Yes. The way I think about it is if you can change it back (in this case, you could filter the epsom salt out, or evaporate the water, drying it) then it is a physical change.
Is making salt water to gargle for a sore throat a chemical or physical change?
Yes dissolving salt in water is a physical change. The chemical structure was not changed, no chemical reaction took place, no precipitate formed and so on.The best way to tell the difference between a chemical and physical change is the ability to change the substances back to the way they were.Salt can be removed from water through evaporation of the water leaving both substances chemically the same before the salt was added.However there is some debate upon this. Just go with whatever your teacher says.
When you heat up water and it changes to steam is it a physical or chemical change?
physical change because you are not doing anything to the object to change its ingredients or the way it is constructed and all you are really doing is adding heat.
Is molded clay physical or chemical change?
physical, because it can be easily reversed
Is water boiling in a pan a physical or chemical change?
It depends on what is boiling. If you are boiling WATER, then it is NOT a chemical change, it is a physical change (change of state from liquid to gas). If you are cooking food on the stove, a chemical change is occuring. That is, the chemical bonds within the food molecules are actually changing. One way you can tell that it is a chemical change is that you can't "uncook" food, but you can condense steam back into water.
Is ice cubes shrinking a physical or chemical change?
The melting of ice cubes is a physical change, not a chemical change. The change involves a phase transition from solid ice to liquid water without any changes in the chemical composition of the substance.
What is one way you might be able to determine if it is a physical change?
One way to determine if a change is physical is if the substance changes its form or appearance without altering its chemical composition. For example, melting or freezing a substance, dissolving it in water, or changing its state of matter are all physical changes.
Boiling water is an example of what?
A beaker of water heated over a laboratory burner is an example of convection. The molecules at the bottom of the beaker begin to rise to the top and the cooler particles sink. This allows for the transfer of heat.
Is splitting water through electrolysis into O2 and H2 gasses a physical or chemical change?
In a way it is both physical and chemical, because a chemical change is changing how the molecule is "built," while a physical change is the transformation from one form to the other. I would consider splitting water through electrolysis as a chemical change at first because physical change is keeping the build of a molecule the same while it's form changes. You could also say that the splitting itself occurs first, meaning chemical change first occurs. Physical change would the occur later because the points of physical forms change based on the atom or molecule. The time difference in which occurs first would be very hard to measure, down to nanoseconds, but according to common scientific sense chemical change would occur first. The true answer to this question would be that it is chemical change, because you wanted to know what the splitting part was. Hope this helps!
Is drying of clothes physical or chemical?
Drying clothes would be a physical change. The clothes themselves do not change either chemically or physically, so one needs to consider the removal or liquid water from the clothes. This is simply a phase change of H2O liquid to H2O vapor (steam). It is still H2O either way, so there is no chemical change. It would be a physical change.
What is 2 way matter can change?
Matter can change through physical changes, where its form or state is altered without changing its chemical composition (e.g. melting ice into water), and chemical changes, where new substances are formed through chemical reactions (e.g. rusting of iron).
